Originally Posted by hooverer
FWIW - When you are shopping for seats and select first for domestic, nwa.com does not seem to want to show you the seats in the first cabin until you have selected (not purchased) the flight pair, up to that point, it shows the main cabin if you select seat map. Once you have identified a flight pair, then it seems to allow you to look at first seating (without getting into different fair classes etc.), at least that has been my recent expereince. - Hooverer
What I've found is that this only happens when you choose 'Search by Schedule'. If you click 'Search by fare' and then click 'View Seat Map', the first class seat map comes up.
FYI.